One Giant Leap
This phrase, spoken by Neil Armstrong, marked humanity's first step onto the Moon.
One small step for man one giant leap for mankind
The speed of light in vacuum rounded in m/s
300,000 m/s
The force that keeps planets in orbit around the Sun and the Moon in orbit around Earth.
What is gravity?
The type of engine that provides thrust by expelling hot gas
What is a rocket engine?
The "Red Planet" and the fourth planet from the Sun
What is Mars?
The Apollo 11 lunar module was nicknamed this.
The Eagle
The approximate speed needed to achieve a stable orbit around Earth in Low Earth Orbit (in km/s).
7.8km/s
The point in an orbit where an object is farthest from the body it is orbiting.
What is apogee (for Earth orbit) or apoapsis (general)?
This law of physics explains how a rocket moves forward when it expels mass backward.
What is Newton's Third Law of Motion?
The largest planet in our solar system, known for its Great Red Spot.
What is Jupiter?
Besides Neil Armstrong, this was the other astronaut who walked on the Moon during the Apollo 11 mission.
Edwin "Buzz" Aldrin
The time in days for the Moon to Orbit the Earth
27 Days
Kepler's first law of planetary motion states that planets orbit the Sun in this shape.
What is an ellipse?
The combination of fuel and oxidizer that is burned in a rocket engine.
What is propellant?
This planet is famous for its prominent ring system.
What is Saturn?
The date in July 1969 when the Apollo 11 lunar module landed on the Moon.
July 20th
The speed at which the Earth orbits the Sun (in km/s).
What is approximately 30 km/s?
This term describes the change in velocity a spacecraft needs to perform an orbital maneuver.
What is delta-v?
The measure of a rocket engine's efficiency in converting propellant into thrust over time.
What is specific impulse?
The hottest planet in our solar system, with a dense, toxic atmosphere.
What is Venus?
The primary goal of the Apollo 11 mission, as stated by President Kennedy.
To achieve a crewed lunar landing and return to earth before the 1960's ended
The term for speeds significantly greater than the speed of sound.
What is supersonic or hypersonic?
A satellite in this type of orbit appears to remain stationary above a single point on Earth.
What is geostationary orbit?
This multi-stage rocket was used to launch the Apollo missions to the Moon
What is the Saturn V?
The only moon in our solar system known to have a dense atmosphere primarily composed of nitrogen and methane.
What is Titan (Saturn's moon)?